Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report of Allison Transmission Holdings, Inc. (the “Company”) on Form 10-K for the fiscal year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, David S. Graziosi, Chairman, President and Chief Executive Officer of the Company, and G. Frederick Bohley, Senior Vice President, Chief Financial Officer and Treasurer of the Company, certify, pursuant to 18 U.S.C. § 1350 as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
Dated: February 16, 2023 |
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/s/ David S. Graziosi |
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Name: David S. Graziosi |
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Title: Chairman, President and Chief Executive Officer |
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(Principal Executive Officer) |
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Dated: February 16, 2023 |
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/s/ G. Frederick Bohley | |
Name: G. Frederick Bohley | |
Title: Senior Vice President, Chief Financial Officer and Treasurer | |
(Principal Financial Officer)
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